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New cream protects against HIV for 72 hours, say researchers

Written by:

QMI Agency


Jan. 28, 2014

(magraphics.eu/Fotolia.com)


U.S. and Mexican researchers say they've developed a vaginal cream that protects against HIV for 72 hours.

The cream includes silver nanoparticles that block the virus from entering cells.

The cream, which begins to work in less than a minute, can also protect against other sexually transmitted infections, researchers said.

Humberto Lara Villegas, a specialist in nanoparticles and virology at the University of Monterrey who worked with University of Texas researchers, said the cream is a unique way of combating the virus because many traditional medications prevent the virus from replicating in cells.

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"This is a very different case, given that the nanoparticle goes directly against the HIV and no longer allows its entry to the cell," he said in a release.

Researchers have tested it on human tissue and showed it prevents transmission of the virus through cervical mucous membrane. They are still testing the cream on mice but hope to begin human clinical trials in the near future.

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